What type of galaxy has a mix of young and old stars, an abundant amount of gas and dust, ongoing star formation, and a definitive shape?
A) spiral galaxies
B) elliptical galaxies
C) irregular galaxies
D) All types of galaxies share these features
Correct Answer:
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Q2: What type of galaxy has only old
Q3: A(n) _ type galaxy is _ with
Q4: _ galaxies contain mostly Population II stars;
Q5: _ galaxies have smaller nuclei and loosely
Q6: The accurate determination of star distances by
Q7: Hubble's law implies that the _ galaxies
Q8: Hubble's law is not applicable to _
Q9: _ galaxies may contain a few million
Q10: Of the methods listed below, which is
Q11: The _ that is affecting the motion
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